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Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Deficit [Member] | Accumulated Other Comprehensive (Loss) Income [Member] | Treasury Stock [Member] | Non-controlling Interest [Member] | Total
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2016 | $ 129 | $ 111,844 | $ (91,498) | $ (103) | $ (4,370) |  | $ 16,002
Balance, shares at Dec. 31, 2016 | 14,578,000 |  |  |  |  |  |
Net loss attributable to common stockholders |  |  | (3,870) |  |  |  | (3,870)
Foreign currency translation adjustment |  |  |  | (373) |  |  | (373)
Reclassification of realized losses on investments, net of unrealized amounts |  |  |  | (102) |  |  | (102)
Shares issued pursuant to exercise of stock options | $ 3 | 1,274 |  |  |  |  | 1,277
Shares issued pursuant to exercise of stock options, shares | 271,000 |  |  |  |  |  |
Shares issued pursuant to an underwritten public offering, net of issuance costs of $1,200,000 | $ 30 | 16,035 |  |  |  |  | 16,065
Shares issued pursuant to an underwritten public offering, net of issuance costs of $1,200,000 | 3,000,000 |  |  |  |  |  |
Shares issued pursuant to Keytroller acquisition | $ 3 | 1,997 |  |  |  |  | 2,000
Shares issued pursuant to Keytroller acquisition, shares | 296,000 |  |  |  |  |  |
Issuance of restricted shares | $ 19 | (19) |  |  |  |  |
Issuance of restricted shares, shares | 240,000 |  |  |  |  |  |
Forfeiture of restricted shares | $ (1) | 1 |  |  |  |  |
Forfeiture of restricted shares, shares | (58,000) |  |  |  |  |  |
Shares withheld pursuant to exercise of stock options |  |  |  |  | (465) |  | (465)
Stock based compensation - restricted stock |  | 1,682 |  |  |  |  | 1,682
Stock based compensation - options and performance shares |  | 755 |  |  |  |  | 755
Balance at Dec. 31, 2017 | $ 183 | 133,569 | (95,368) | (578) | (4,835) |  | 32,971
Balance, shares at Dec. 31, 2017 | 18,327,000 |  |  |  |  |  |
Net loss attributable to common stockholders |  |  | (5,812) |  |  |  | (5,812)
Foreign currency translation adjustment |  |  |  | 77 |  |  | 77
Reclassification of realized losses on investments, net of unrealized amounts |  |  |  | 66 |  |  | 66
Shares issued pursuant to exercise of stock options | $ 2 | 968 |  |  |  |  | 970
Shares issued pursuant to exercise of stock options, shares | 169,000 |  |  |  |  |  |
Issuance of restricted shares | $ 4 | (4) |  |  |  |  |
Issuance of restricted shares, shares | 434,000 |  |  |  |  |  |
Forfeiture of restricted shares |  |  |  |  |  |  |
Forfeiture of restricted shares, shares | (48,000) |  |  |  |  |  |
Shares withheld pursuant to exercise of stock options |  |  |  |  | (249) |  | (249)
Stock based compensation - restricted stock |  | 1,803 |  |  |  |  | 1,803
Stock based compensation - options and performance shares |  | 360 |  |  |  |  | 360
Shares issued relating to acquisition contingent consideration | $ 3 | 1,997 |  |  |  |  | 2,000
Shares issued relating to acquisition contingent consideration, shares | 296,000 |  |  |  |  |  |
Shares repurchased pursuant to vesting of restricted stock |  |  |  |  | (652) |  | (652)
Balance at Dec. 31, 2018 | $ 192 | 138,693 | (101,180) | (435) | (5,736) |  | 31,534
Balance, shares at Dec. 31, 2018 | 19,178,000 |  |  |  |  |  |
Net loss attributable to common stockholders |  | (1,084) | (10,963) |  |  |  | (12,047)
Foreign currency translation adjustment |  |  |  | 653 |  | 8 | 653
Reclassification of realized losses on investments, net of unrealized amounts |  |  |  | 47 |  |  | 47
Shares issued pursuant to exercise of stock options | $ 1 | 221 |  |  |  |  | 222
Shares issued pursuant to exercise of stock options, shares | 59,000 |  |  |  |  |  |
Issuance of restricted shares | $ 6 | (6) |  |  |  |  |
Issuance of restricted shares, shares | 625,000 |  |  |  |  |  |
Forfeiture of restricted shares |  |  |  |  |  |  |
Forfeiture of restricted shares, shares | (40,000) |  |  |  |  |  |
Shares withheld pursuant to vesting of restricted stock |  |  |  |  | (317) |  | (317)
Shares issued pursuant to Pointer Transactions | $ 107 | $ 57,973 |  |  |  |  | $ 58,080
Shares issued pursuant to Pointer Transactions, shares | 10,756,000 |  |  |  |  |  |
Share based awards assumed Pointer Transaction |  | 246 |  |  |  |  | 246
Shares issued relating to Keytroller acquisition consideration | $ 1 | 999 |  |  |  |  | 1,000
Shares issued relating to Keytroller acquisition consideration, shares | 148,000 |  |  |  |  |  |
Shares issued pursuant to CarrierWeb acquisition | $ 1 | 405 |  |  |  |  | 406
Shares issued pursuant to CarrierWeb acquisition, shares | 71,000 |  |  |  |  |  |
Vesting of restricted stock units |  |  |  |  |  |  |
Vesting of restricted stock units, shares | 7,000 |  |  |  |  |  |
Stock based compensation |  | 4,213 |  |  |  |  | 4,213
Net loss attributable to Non-controlling interest |  |  |  |  |  | (18) | (18)
Other |  | 153 |  |  |  |  | 153
Balance at Dec. 31, 2019 | $ 308 | $ 201,813 | $ (112,143) | $ 265 | $ (6,053) | $ (10) | $ 84,180
Balance, shares at Dec. 31, 2019 | 30,804,000 |  |  |  |  |  |

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